/Engine/Plugins/Experimental/SlateScreenReader/Source/SlateScreenReader/Public/SlateScreenReaderEngineSubsystem.h
Activates a screen reader user and fulfill requests for accessibility services such as text to speech that clients can make. When screen reader users are first registered with a screen reader, they are deactivated by default. Users must explicitly activate the screen reader user. If the passed in user Id does not correspond to a registered screen reader user, nothing will happen.FScreenReaderReply::Handled()if the screen reader user is successfully activated. ElseFScreenReaderReply::Unhandled()is returned.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="SlateScreenReader") [FScreenReaderReply](API\Plugins\ScreenReader\GenericPlatform\FScreenReaderReply) ActivateUser ( UPARAM(DisplayName="Screen Reader User Id") int32 InUserId )